PowerStop L7140 Disc Brake Caliper - Rear Left

Rear Left OE Replacement Caliper for Lexus

PowerStop L7140 is a rear left disc brake caliper built as an OE stock replacement for select Lexus applications. It bolts directly in place of the original caliper and is remanufactured for a direct-fit repair on models such as the Lexus IS350, RC350, and GS350.

Part of the PowerStop Autospecialty OE Replacement Brake Calipers line, this caliper focuses on stock-style fitment and serviceable hardware details for everyday brake maintenance. The PowerStop L7140 is remanufactured in Chicago, IL and pressure tested to verify piston operation and help prevent leaks before installation.

Key Features

• Rear left disc brake caliper for select Lexus vehicles
• Floating caliper design with 1 steel piston
• 40.00 mm piston diameter
• Cast iron caliper body with gray finish
• Includes caliper slides and mounting bracket
• New seals, dust boots, bleeder screw, and stainless steel brake pad abutment clips used in assembly
• High-temperature EPDM rubber dust boots and silicone lubricant for smoother operation
• Inlet thread size: M10 x 1.0
• Bleeder screw thread size: M7 x 1.0

Product Details

PowerStop L7140 is engineered for drivers who need a direct OE-style rear brake caliper replacement without changing the original brake layout. It is a rear left caliper for Lexus IS300, IS350, RC300, RC350, GS300, GS350, GS450h, GS200t, IS200t, and RC200t applications listed below. If you are replacing a worn or leaking rear caliper on a Lexus IS350 or GS350, this part provides the stock replacement format needed for a straightforward brake service.

This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

What It Helps Address

• Brake fluid leaks from a worn rear caliper
• Uneven rear braking caused by sticking piston movement
• Dragging brake pads from corroded or seized caliper components
• Reduced braking performance from damaged seals or boots
• Noise or vibration related to worn caliper hardware

Installation Notes and Fitment

Compatible With:

• Fits 2020 Lexus GS350, rear left
• Fits 2019 Lexus GS350, rear left
• Fits 2013-2017 Lexus GS350, rear left
• Fits 2018 Lexus GS350, rear left, models with 4 piston front caliper
• Fits 2018-2019 Lexus GS300, rear left
• Fits 2013-2018 Lexus GS450h, rear left
• Fits 2016-2017 Lexus GS200t, rear left
• Fits 2016-2020 Lexus IS300, rear left
• Fits 2014-2020 Lexus IS350, rear left
• Fits 2016-2017 Lexus IS200t, rear left
• Fits 2016-2020 Lexus RC300, rear left
• Fits 2015-2020 Lexus RC350, rear left
• Fits 2016-2017 Lexus RC200t, rear left

Verify rear left position, inlet thread size, and bleeder screw thread size before installation. Mounting hardware is not included. Reuse or replace related brake components as needed during service, and bleed the hydraulic system after installation.

Quality Assurance

PowerStop remanufactures the caliper and bracket in its Chicago, IL facility and pressure tests each unit to confirm piston operation and check for leaks. The caliper is assembled with new seals, slide pins where applicable, dust boots, bleeder screws, and stainless steel brake pad abutment clips for consistent OE-style serviceability.